4
5
5.1
[Fig. 5.1.1]
5.2
6
E
C
D
B
F
G
A
To
HBC controller sample installation
A
Expansion tank
B
Shutoff valve
C
Strainer
D
Pressure reducing valve
E
Water inlet
F
Refrigerant pipes
G
Drain pipe
F
E
D
C
B
A
D
D
D
D
D
F
D
A B
E
*1
C
B
C
E
D
A
A
Locally procured insulating material
for pipes
B
Bind here using band or tape.
C
Do not leave any opening.
D
Lap margin: more than 40 mm
E
Insulating material (field supply)
F
Unit side insulating material
A
To outdoor unit
B
End connection (brazing)
C
HBC controller
D
Indoor unit
E
Twinning pipe (field supply)
F
Up to three units for 1 branch hole; total capacity: below 80 (but in same mode,
cooling/heating)
Water pipework is screw
connections
Note:
*1. Connection of multiple indoor units with one connection (or joint pipe)
•
Total capacity of connectable indoor units: Less than 80
•
Number of connectable indoor units: Maximum 3 Sets
•
Selection of water piping
Select the size according to the total capacity of indoor units to be installed
downstream.
•
Please group units that operate on 1 branch.
[Fig. 5.2.2]
[Fig. 5.2.3]
[Fig. 5.2.1]
A
HBC controller
B
Water pipe
C
Pressure reducing valve
D
Strainer
E
Shut off valve
Indoor unit
Connection size
Pipe size
Water inlet
Water outlet
Water out
Water return
PEFY-WP·VMA
Rc 3/4
screw
Rc 3/4
screw
I.D. 20 mm
I.D. 20 mm
E
A
B
C
D
A
Control box
B
Power source wiring
C
ø21 hole (closed rubber bushing)
D
Transmission wiring
E
Clip cables here
[Fig. 6.0.1]
WT06421X02.book Page 4 Wednesday, April 25, 2012 8:43 AM
